From e3a909038d9ce69e7d582755732569355f490629 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 28 Oct 2013 15:15:09 +0000 Subject: [PATCH] build: fix build on Mac OS X 10.9 Add a wrapper around the clang gcc emulation to fix -print-file-name= Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38560 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- include/toplevel.mk | 11 +++++++++-- scripts/clang-gcc-wrapper | 12 ++++++++++++ 2 files changed, 21 insertions(+), 2 deletions(-) create mode 100755 scripts/clang-gcc-wrapper diff --git a/include/toplevel.mk b/include/toplevel.mk index a623be9f2e..23d70ac81a 100644 --- a/include/toplevel.mk +++ b/include/toplevel.mk @@ -43,6 +43,13 @@ unexport LPATH # make sure that a predefined CFLAGS variable does not disturb packages export CFLAGS= +ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),) + export HOSTCC_REAL?=$(HOSTCC) + export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper +else + export HOSTCC_WRAPPER:=$(HOSTCC) +endif + ifeq ($(FORCE),) .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build endif @@ -74,12 +81,12 @@ prepare-tmpinfo: FORCE fi scripts/config/mconf: - @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)" + @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)" $(eval $(call rdep,scripts/config,scripts/config/mconf)) scripts/config/conf: - @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)" + @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)" config: scripts/config/conf prepare-tmpinfo FORCE $< Config.in diff --git a/scripts/clang-gcc-wrapper b/scripts/clang-gcc-wrapper new file mode 100755 index 0000000000..9e668418a9 --- /dev/null +++ b/scripts/clang-gcc-wrapper @@ -0,0 +1,12 @@ +#!/bin/sh +_cc="${HOSTCC_REAL:-gcc}" +case "$1" in + -print-file-name=*) + dirs="$($_cc -print-search-dirs | grep -m1 libraries | sed -e 's,:, ,' -e 's,.* =,,')" + dirs="$dirs /usr/lib /usr/local/lib" + find $dirs -name "${1#*=}" | head -n1 + ;; + *) + exec $_cc "$@" + ;; +esac